Home / 7,505.23-11,259.98-4,221.09

Finding the Fourth Proportional to 7,505.23, 11,259.98 and 4,221.09

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Solution

The fourth proportional to 7,505.23, 11,259.98 and 4,221.09 is: 6,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.23 : 11,259.98 = 4,221.09 : x
  2. Step 2: Convert to fraction form
    7,505.23/11,259.98 = 4,221.09/x
  3. Step 3: Cross multiply
    7,505.23x = 11,259.98 × 4,221.09
  4. Step 4: Simplify right side
    7,505.23x = 47,529,388.98
  5. Step 5: Solve for x
    x = 47,529,388.98/7,505.23
  6. Step 6: Final answer
    x = 6,332.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.